Auth bypass in Linuxfoundation Longhorn
CVE-2021-36780
A Missing Authentication for Critical Function vulnerability in longhorn of SUSE Longhorn allows attackers to connect to a longhorn-engine replica instance granting it the ability to read and write data to and from a replica that they should not have access to. This issue affects: SUSE Longhorn longhorn versions prior to 1.1.3; longhorn versions prior to 1.2.3v.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.005 (37.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Linuxfoundation Longhorn
- SUSE Longhorn — versions longhorn
Weakness classification (CWE)
References
- github.com/longhorn/longhorn/security/advisories/GHSA-g358-m2wp-mhhx (Third Party Advisory)
- bugzilla.suse.com/show_bug.cgi (Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-36780?
- CVE-2021-36780 is a high-severity vulnerability in Linuxfoundation Longhorn, classified under Missing Authentication for Critical Function. CVSS score: 8.1/10. Published 2021-12-17.
- How severe is CVE-2021-36780?
- High severity. CVSS v3 base score is 8.1 out of 10.